8. Dasystephana Grayi (Kusnezow) Britton. Gray's Gentian

Fig. 3360

Gentiana linearis var. latifolia A. Gray, Proc. Am.

Acad. 22: 309. 1887. Gentiana Grayi Kusnezow, Act. Hort. Petrop. 13: 59.

1893.

Perennial; glabrous; stem terete, 1°-2° high. Leaves rather distant, lanceolate or ovate-lanceolate, acuminate, rounded at the base, smooth-margined, 2'-3' long, the lower narrower and obtuse; flowers about 1 1/2 high in a sessile terminal cluster, 2-bracteolate under the calyx; calyx-lobes unequal, the larger about as long as the tube; corolla greenish blue or bright blue, club-shaped, its lobes ovate, acute or acutish, much longer than the broad 1-2-toothed appendages; anthers coherent, or at length distinct; seeds oblong, winged.

In wet soil, New Brunswick to western Ontario, Michigan and Minnesota. Referred in our first edition to Gentiana rubricaulis Schwein., which proves to be a synonym of the preceding species. Recorded from central New York. Aug.-Sept.

9. Dasystephana Villosa (L.) Small. Striped Gentian

Fig. 3361

Gentiana villosa L. sp. Pl. 228. 1753. Gentiana ochroleuca Froel. Gent. 35. 1796. D. villosa Small, Fl. SE. U. S. 931. 1903.

Perennial, glabrous or nearly so; stem simple, slender, terete, 6'-18' high. Leaves obovate, obtuse or the upper acute, narrowed at the base, faintly 5-nerved, 1'-3' long, the lower much smaller; flowers several in a terminal sessile cluster and sometimes also in the upper axils, nearly 2' long, 2-bracteolate under the calyx; calyx-lobes unequal, linear, longer than the tube; corolla greenish white, striped within, oblong-funnelform, open, its lobes triangular-ovate or ovate-lanceolate, erect, much longer than the oblique entire or 1-2-toothed appendages; seeds oval, wingless.

In shaded places, southern New Jersey and Pennsylvania to Florida and Louisiana. Marsh- or straw-colored gentian. Sampson snake-root. Sept.-Nov.

10. Dasystephana Porphyrio (J. F. Gmel.) Small. One-Flowered Gentian

Fig. 3362

Gentiana purpurea Walt. Fl. Car. 109. 1788. Not. L. 1753. Gentiana Porphyrio J. F. Gmel. Syst. 2: 462. 1791. Gentiana angustifolia Michx. Fl. Bor. Am. 1: 177. 1803. D. Porphyrio Small, Fl. SE. U. S. 931. 1903.

Perennial, glabrous; stem erect or ascending, simple or branched, 6'-18' high. Leaves linear, firm, acute or blunt at the apex, 1-2' long, 1-2" wide, or the upper and lower shorter; flowers solitary at the ends of the stem or branches, short-peduncled, about 2' high, not bracteo-late under the calyx; calyx-lobes linear, longer than the tube; corolla funnel form, bright blue, sometimes brown-dotted within, its lobes ovate, acutish, spreading, 5"-7" long, three times as long as the conspicuously laciniate appendages, or more; seeds oblong, wingless.

In moist pine barrens, New Jersey to Florida. Aug.-Oct.